Trends in long term growth outcome: comparison of two birth cohorts (year 2007-08 and year 2015-16)

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Kallem Venkat Reddy1, Challa V S Lakshmi2, Sai Kiran1

  • 1DNB Resident, Fernandez Hospital Hyderguda, Hyderabad, India.

Sudanese Journal of Paediatrics
|September 4, 2023
PubMed

Insights

Very low birth weight (VLBW) infants showed improved growth outcomes in a later cohort. This study found significantly higher weight and length, and reduced underweight incidence in VLBW infants from the 2015-16 cohort compared to the 2007-08 cohort.

Area of Science:

  • Neonatalogy
  • Pediatric Growth and Development
  • Public Health

Background:

  • Very low birth weight (VLBW) infants represent a significant proportion of neonatal mortality.
  • Understanding long-term growth trajectories is crucial for improving VLBW infant outcomes.

Purpose of the Study:

  • To compare the long-term growth outcomes of VLBW infants between two distinct birth cohorts (2007-08 and 2015-16).
  • To evaluate changes in weight, length, and the incidence of underweight, stunting, and microcephaly over time.

Main Methods:

  • A cross-sectional observational study design was employed.
  • Neonatal and perinatal data were collected from trial data and patient case files.
  • Growth outcomes (weight and length) were assessed at corrected ages of 12-18 months.

Main Results:

  • Infants in the 2015-16 cohort (cohort 2) demonstrated significantly higher weight and length compared to the 2007-08 cohort (cohort 1).
  • The incidence of underweight was significantly lower in cohort 2.
  • No significant differences were observed in the rates of stunting or microcephaly between the two cohorts.

Conclusions:

  • Improved clinical care or environmental factors likely contributed to better growth outcomes in VLBW infants in the more recent cohort.
  • Targeted interventions may be beneficial for reducing underweight incidence in VLBW populations.

Keywords:
GrowthTrendVery low birth weight

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